diff --git a/src/impl/list_ports/list_ports_win.cc b/src/impl/list_ports/list_ports_win.cc
index dac5fd7..c6d5c0c 100644
--- a/src/impl/list_ports/list_ports_win.cc
+++ b/src/impl/list_ports/list_ports_win.cc
@@ -8,6 +8,7 @@
  */
 
 #include "serial/serial.h"
+#include <tchar.h>
 #include <windows.h>
 #include <SetupAPI.h>
 #include <devguid.h>
@@ -21,6 +22,15 @@ static const DWORD port_name_max_length = 256;
 static const DWORD friendly_name_max_length = 256;
 static const DWORD hardware_id_max_length = 256;
 
+// Convert a wide Unicode string to an UTF8 string
+std::string utf8_encode(const std::wstring &wstr)
+{
+	int size_needed = WideCharToMultiByte(CP_UTF8, 0, &wstr[0], (int)wstr.size(), NULL, 0, NULL, NULL);
+	std::string strTo( size_needed, 0 );
+	WideCharToMultiByte                  (CP_UTF8, 0, &wstr[0], (int)wstr.size(), &strTo[0], size_needed, NULL, NULL);
+	return strTo;
+}
+
 vector<PortInfo>
 serial::list_ports()
 {
@@ -51,16 +61,16 @@ serial::list_ports()
 			DIREG_DEV,
 			KEY_READ);
 
-		char port_name[port_name_max_length];
+		TCHAR port_name[port_name_max_length];
 		DWORD port_name_length = port_name_max_length;
 
 		LONG return_code = RegQueryValueEx(
-                    hkey,
-                    "PortName",
-                    NULL,
+					hkey,
+					_T("PortName"),
 					NULL,
-                    (LPBYTE)port_name,
-                    &port_name_length);
+					NULL,
+					(LPBYTE)port_name,
+					&port_name_length);
 
 		RegCloseKey(hkey);
 
@@ -74,22 +84,22 @@ serial::list_ports()
 
 		// Ignore parallel ports
 
-		if(strstr(port_name, "LPT") != NULL)
+		if(_tcsstr(port_name, _T("LPT")) != NULL)
 			continue;
 
 		// Get port friendly name
 
-		char friendly_name[friendly_name_max_length];
+		TCHAR friendly_name[friendly_name_max_length];
 		DWORD friendly_name_actual_length = 0;
 
 		BOOL got_friendly_name = SetupDiGetDeviceRegistryProperty(
-                    device_info_set,
-                    &device_info_data,
-                    SPDRP_FRIENDLYNAME,
-                    NULL,
-                    (PBYTE)friendly_name,
-                    friendly_name_max_length,
-                    &friendly_name_actual_length);
+					device_info_set,
+					&device_info_data,
+					SPDRP_FRIENDLYNAME,
+					NULL,
+					(PBYTE)friendly_name,
+					friendly_name_max_length,
+					&friendly_name_actual_length);
 
 		if(got_friendly_name == TRUE && friendly_name_actual_length > 0)
 			friendly_name[friendly_name_actual_length-1] = '\0';
@@ -98,27 +108,37 @@ serial::list_ports()
 
 		// Get hardware ID
 
-		char hardware_id[hardware_id_max_length];
+		TCHAR hardware_id[hardware_id_max_length];
 		DWORD hardware_id_actual_length = 0;
 
 		BOOL got_hardware_id = SetupDiGetDeviceRegistryProperty(
-                    device_info_set,
-                    &device_info_data,
-                    SPDRP_HARDWAREID,
-                    NULL,
-                    (PBYTE)hardware_id,
-                    hardware_id_max_length,
-                    &hardware_id_actual_length);
+					device_info_set,
+					&device_info_data,
+					SPDRP_HARDWAREID,
+					NULL,
+					(PBYTE)hardware_id,
+					hardware_id_max_length,
+					&hardware_id_actual_length);
 
 		if(got_hardware_id == TRUE && hardware_id_actual_length > 0)
 			hardware_id[hardware_id_actual_length-1] = '\0';
 		else
 			hardware_id[0] = '\0';
 
+		#ifdef UNICODE
+			std::string portName = utf8_encode(port_name);
+			std::string friendlyName = utf8_encode(friendly_name);
+			std::string hardwareId = utf8_encode(hardware_id);
+		#else
+			std::string portName = port_name;
+			std::string friendlyName = friendly_name;
+			std::string hardwareId = hardware_id;
+		#endif
+
 		PortInfo port_entry;
-		port_entry.port = port_name;
-		port_entry.description = friendly_name;
-		port_entry.hardware_id = hardware_id;
+		port_entry.port = portName;
+		port_entry.description = friendlyName;
+		port_entry.hardware_id = hardwareId;
 
 		devices_found.push_back(port_entry);
 	}